.px2rem(@name, @px) {
    @{name}: @px / 75 * 1rem;
}
.txh{
	display: flex;
}
html,doby{
	width: 100%;
	height: 100%;
    background: #f7f7f7;
}
#box{
	header{
		.px2rem(height,84);
		.px2rem(line-height,84);
		width: 100%;
		position: fixed;
		top: 0;
		left: 0;
		background: #fff;
		border-bottom: 1px solid #ccc;
		ul{
            .txh;
            justify-content:space-between;
			li{
              .px2rem(margin-left,30);
		      .px2rem(margin-right,30);
		      .px2rem(font-size,30);
			}
		}

	}
	section{
		
		.px2rem(margin-top,84);
		.px2rem(margin-bottom,84);
		.menu_top{
			.px2rem(height,90);
			border-bottom: 1px solid #ccc;
			ul{
			    .txh;
			    height: 90%;
			    .px2rem(margin-top,90);
			    li{
			    	background: #fff;
			    	color: #000;
			    	.px2rem(font-size,30);
			    	width: 45%;
			    	margin-left: 3%;
			    	text-align: center;
			    	.px2rem(line-height,80);
			    	.px2rem(border-radius,10);
			    }
			    .active{
			    	background: #31cf5a;
			    	color: #fff;
			    }
			}

		}
		.menu_foot{
			.px2rem(height,1100);
         overflow: hidden;
			.menu_one{
				.px2rem(height,1100);
				margin-left: 3%;
				 margin-right: 3%;
				 .two{
				 	.px2rem(height,142);
				 	.txh;
					 justify-content:space-between;
					 border-bottom: 1px solid #ccc;
				 	 dl{
				 	.txh;
				 	width: 70%;
				 	margin-top: 3%;
				 	dt img{
				 		width: 120%;
                     }
				 	dd{
				 		margin-left: 15%;
				 		.px2rem(line-height,40);

				 	}
				 }
				 p{
				 	margin-top: 6%;
				 }
				 }
			}
			.menu_two{
				.px2rem(height,1100);
				margin-left: 3%;
				 margin-right: 3%;
				 
				 .one{
				 	.px2rem(height,142);
				 	.txh;
				 justify-content:space-between;
				 border-bottom: 1px solid #ccc;
				 	 dl{
				 	.txh;
				 	.px2rem(width,210);
				 	margin-top: 3%;
				 	dt img{
				 		width: 120%;
                        }
				 	dd{
				 		margin-left: 15%;
				 		.px2rem(line-height,40);
                      }
				 }
				 p{
				 	margin-top: 6%;
				 }
				 }
			}
		}
		
	}
	
}